Home / 53,099.52-73,119.16-51,920.84

Finding the Fourth Proportional to 53,099.52, 73,119.16 and 51,920.84

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Solution

The fourth proportional to 53,099.52, 73,119.16 and 51,920.84 is: 71,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,099.52 : 73,119.16 = 51,920.84 : x
  2. Step 2: Convert to fraction form
    53,099.52/73,119.16 = 51,920.84/x
  3. Step 3: Cross multiply
    53,099.52x = 73,119.16 × 51,920.84
  4. Step 4: Simplify right side
    53,099.52x = 3,796,408,207.29
  5. Step 5: Solve for x
    x = 3,796,408,207.29/53,099.52
  6. Step 6: Final answer
    x = 71,496.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.